Synopsis

Description

set_field_type() associates the specified field type with field. Certain field types take
additional arguments. TYPE_ALNUM, for instance, requires one, the minimum width specification for
the field. The other predefined field types are: TYPE_ALPHA, TYPE_ENUM, TYPE_INTEGER, TYPE_NUMERIC, and
TYPE_REGEXP.

field_type() returns a pointer to the field type of field. NULL is
returned if no field type is assigned.

field_arg() returns a pointer to the field arguments associated with the field
type of field. NULL is returned if no field type is assigned.